Clear entity cache to prevent memory leak (#544)

src/DependencyInjection/SimpleThingsEntityAuditExtension.php

@@ -54,6 +54,7 @@ public function load(array $configs, ContainerBuilder $container): void
         $this->fixParametersFromDoctrineEventSubscriberTag($container, [
             'simplethings_entityaudit.log_revisions_listener',
             'simplethings_entityaudit.create_schema_listener',
+            'simplethings_entityaudit.cache_listener',
         ]);
     }
 

src/EventListener/CacheListener.php

@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Sonata Project package.
+ *
+ * (c) Thomas Rabaix <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SimpleThings\EntityAudit\EventListener;
+
+use Doctrine\Common\EventSubscriber;
+use Doctrine\ORM\Events;
+use SimpleThings\EntityAudit\AuditReader;
+
+final class CacheListener implements EventSubscriber
+{
+    private AuditReader $auditReader;
+
+    public function __construct(AuditReader $auditReader)
+    {
+        $this->auditReader = $auditReader;
+    }
+
+    public function getSubscribedEvents(): array
+    {
+        return [Events::onClear];
+    }
+
+    public function onClear(): void
+    {
+        $this->auditReader->clearEntityCache();
+    }
+}

src/Resources/config/auditable.php

@@ -18,6 +18,7 @@
 use SimpleThings\EntityAudit\AuditConfiguration;
 use SimpleThings\EntityAudit\AuditManager;
 use SimpleThings\EntityAudit\AuditReader;
+use SimpleThings\EntityAudit\EventListener\CacheListener;
 use SimpleThings\EntityAudit\EventListener\CreateSchemaListener;
 use SimpleThings\EntityAudit\EventListener\LogRevisionsListener;
 use SimpleThings\EntityAudit\User\TokenStorageUsernameCallable;
@@ -69,6 +70,10 @@
             ->tag('doctrine.event_subscriber', ['connection' => '%simplethings.entityaudit.connection%'])
             ->args([new ReferenceConfigurator('simplethings_entityaudit.manager')])
 
+        ->set('simplethings_entityaudit.cache_listener', CacheListener::class)
+            ->tag('doctrine.event_subscriber', ['connection' => '%simplethings.entityaudit.connection%'])
+            ->args([new ReferenceConfigurator('simplethings_entityaudit.reader')])
+
         ->set('simplethings_entityaudit.username_callable.token_storage', TokenStorageUsernameCallable::class)
             ->args([new ReferenceConfigurator('security.token_storage')])